EP 1000004 A2 20000517 - METHOD FOR PRODUCING TETRABUTYL AMMONIUM PHENOLATE DIPHENOL ADDUCT
Title (en)
METHOD FOR PRODUCING TETRABUTYL AMMONIUM PHENOLATE DIPHENOL ADDUCT
Title (de)
VERFAHREN ZUR HERSTELLUNG VON TETRABUTYLAMMONIUMPHENOLAT-DIPHENOLADDUKT
Title (fr)
PROCEDE POUR LA PREPARATION D'UN PRODUIT D'ADDITION DE DIPHENOLE DE TETRABUTYLAMMONIUMPHENATE
Publication
Application
Priority
- DE 19730022 A 19970711
- EP 9803987 W 19980630
Abstract (en)
[origin: US6177538B1] The invention relates to a method for producing and purifying tetrabutyl ammonium phenolate diphenol adduct by reacting an alkali phenolate with tetrabutyl ammonium salts in an aqueous phase and subsequently precipitating the adduct by adding phenol.
IPC 1-7
IPC 8 full level
B01J 31/02 (2006.01); C07C 37/00 (2006.01); C07C 37/64 (2006.01); C07C 37/72 (2006.01); C07C 37/82 (2006.01); C07C 39/00 (2006.01); C07C 39/04 (2006.01); C07C 209/68 (2006.01); C07C 211/63 (2006.01); C08G 8/00 (2006.01)
CPC (source: EP KR US)
B01J 31/0239 (2013.01 - EP US); C07C 37/055 (2013.01 - EP US); C07C 37/64 (2013.01 - EP US); C07C 37/72 (2013.01 - EP US); C07C 37/82 (2013.01 - EP US); C07C 39/00 (2013.01 - KR); C07C 209/68 (2013.01 - EP US); Y02P 20/52 (2015.11 - EP US)
Citation (search report)
See references of WO 9902474A2
Designated contracting state (EPC)
BE CH DE ES FR GB IT LI NL
DOCDB simple family (publication)
US 6177538 B1 20010123; AU 8803198 A 19990208; CN 1107045 C 20030430; CN 1262668 A 20000809; DE 19730022 A1 19990114; DE 59805837 D1 20021107; EP 1000004 A2 20000517; EP 1000004 B1 20021002; ES 2184313 T3 20030401; HK 1029580 A1 20010406; IL 133482 A0 20010430; JP 2001509494 A 20010724; KR 20010021646 A 20010315; TW 409116 B 20001021; WO 9902474 A2 19990121; WO 9902474 A3 19990401
DOCDB simple family (application)
US 44699999 A 19991230; AU 8803198 A 19980630; CN 98806955 A 19980630; DE 19730022 A 19970711; DE 59805837 T 19980630; EP 9803987 W 19980630; EP 98939566 A 19980630; ES 98939566 T 19980630; HK 01100475 A 20010119; IL 13348298 A 19980630; JP 2000502004 A 19980630; KR 20007000204 A 20000110; TW 87109810 A 19980619